The following websites or publications have mentioned FreeOrion:
TechRadar list FreeOrion among its "Top 100 best free games you should play today".
Einfo Games reviews FreeOrion.
Brony Gamers reviews FreeOrion.
The Linux Action Show highlights FreeOrion in Season 20 Episode 2.
SpaceSector has an overview and interview about FreeOrion.
Full Circle Magazine mentions FreeOrion in issue 14 (PDF).
softronic has a brief review of FreeOrion v0.3.9.
freewaregenius mentions FreeOrion in a list of TBS strategy and war games.